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Finding the Fourth Proportional to 1,062.94, 1,594.96 and 447.08

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Solution

The fourth proportional to 1,062.94, 1,594.96 and 447.08 is: 670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.94 : 1,594.96 = 447.08 : x
  2. Step 2: Convert to fraction form
    1,062.94/1,594.96 = 447.08/x
  3. Step 3: Cross multiply
    1,062.94x = 1,594.96 × 447.08
  4. Step 4: Simplify right side
    1,062.94x = 713,074.72
  5. Step 5: Solve for x
    x = 713,074.72/1,062.94
  6. Step 6: Final answer
    x = 670.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.